Endless belt power transmission systems or components – Control for variable input to output speed-ratio – Including separate belt on each of coaxial pulleys...
Reexamination Certificate
2004-11-04
2008-11-11
Siconolfi, Robert A. (Department: 3683)
Endless belt power transmission systems or components
Control for variable input to output speed-ratio
Including separate belt on each of coaxial pulleys...
C474S070000, C474S148000, C474S168000, C192S048200, C192S048300, C192S048920, C290S04000F, C310S092000
Reexamination Certificate
active
07448972
ABSTRACT:
The system includes at least one transmission belt for coupling the shafts of auxiliary devices to a pulley which can be coupled for operation to the shaft of the combustion engine, and an electromagnetically operated clutch between this pulley and the shaft of the engine. An overrunning clutch is interposed between the pulley and the shaft of the engine. The clutch is normally disengaged and de-energized. The pulley has a hub fitted on an extension of the shaft of the engine with the interposition of the overrunning clutch, and has a channel-shaped cross section with a concavity facing the internal combustion engine. The electromagnetically operated clutch comprises a winding which is fixed to the engine and which extends into the concavity of the pulley, and a ferromagnetic ring carried in an axially translatable way by a support element fixed with respect to rotation to the extension of the shaft of the engine.
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Caenazzo Dario
Garabello Marco
Mesiti Domenico
CRF Societa Consortile Per Azioni
Irvin Thomas W
Siconolfi Robert A.
Sughrue & Mion, PLLC
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